Element of a boot



FIG. 1 is a front perspective view of an element of a boot showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof; and,

FIG. 5 is a rear perspective view thereof.

The broken line showing of the heel, portion of the upper, zipper, and sole is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an element of a boot, as shown and described. 